Broomea |
Broomea longicornuta
|
USSR(Siberia) |
Early Cretaceous |
|
Broomea |
Broomea longicornuta
|
Europe |
Early Cretaceous |
|
Broomea |
Broomea longicornuta
|
Alaska |
Early Cretaceous |
|
Broomea |
Broomea sp
|
Australia(W.Australia) |
Kimmeridgian |
Tithonian |
Canningia |
Canningia
|
Worldwide |
Neocomian |
|
Ctenidodinium |
Ctenidodinium culmula
|
Bulgaria |
Kimmeridgian |
Tithonian |
Ctenidodinium |
Ctenidodinium culmula
|
England |
Kimmeridgian |
Tithonian |
Ctenidodinium |
Ctenidodinium culmula
|
Canada(Eastern Offshore) |
Kimmeridgian |
Tithonian |
Ctenidodinium |
Ctenidodinium culmula
|
Atlantic Ocean |
Kimmeridgian |
Tithonian |
Ctenidodinium |
Ctenidodinium elegantulum
|
Atlantic Ocean |
Early Cretaceous |
|
Ctenidodinium |
Ctenidodinium elegantulum
|
Europe |
Early Cretaceous |
|
Ctenidodinium |
Ctenidodinium elegantulum
|
Pakistan |
Early Cretaceous |
|
Ctenidodinium |
Ctenidodinium ornatum
|
North America |
Callovian |
Oxfordian |
Ctenidodinium |
Ctenidodinium ornatum
|
Europe |
Callovian |
Oxfordian |
Ctenidodinium |
Ctenidodinium ornatum
|
New Guinea |
Callovian |
Oxfordian |
Ctenidodinium |
Ctenidodinium ornatum
|
Canada(Arctic) |
Callovian |
Oxfordian |
Ctenidodinium |
Ctenidodinium ornatum
|
Greenland |
Callovian |
Oxfordian |